εν preposition
en  en: in, at, (up-)on, by, etc.
τουτω demonstrative pronoun - dative singular neuter
toutoi  too'-to: to (in, with or by) this (person or thing) -- here(-by, -in), him, one, the same, there(-in), this.
γινωσκομεν verb - present active indicative - first person
ginosko  ghin-oce'-ko: to know (absolutely) in a great variety of applications and with many implications (as follow, with others not thus clearly expressed)
οτι conjunction
hoti  hot'-ee: demonstrative, that (sometimes redundant); causative, because -- as concerning that, as though, because (that), for (that), how (that), (in) that, though, why.
αγαπωμεν verb - present active indicative - first person
agapao  ag-ap-ah'-o:  to love (in a social or moral sense) -- (be-)love(-ed).
τα definite article - accusative plural neuter
ho  ho: the definite article; the (sometimes to be supplied, at others omitted, in English idiom) -- the, this, that, one, he, she, it, etc.
τεκνα noun - accusative plural neuter
teknon  tek'-non: a child (as produced) -- child, daughter, son.
του definite article - genitive singular masculine
ho  ho: the definite article; the (sometimes to be supplied, at others omitted, in English idiom) -- the, this, that, one, he, she, it, etc.
θεου noun - genitive singular masculine
theos  theh'-os: a deity; figuratively, a magistrate; by Hebraism, very -- exceeding, God, god(-ly, -ward).
οταν conjunction
hotan  hot'-an: whenever (implying hypothesis or more or less uncertainty); also causatively (conjunctionally) inasmuch as -- as long (soon) as, that, + till, when(-soever), while.
τον definite article - accusative singular masculine
ho  ho: the definite article; the (sometimes to be supplied, at others omitted, in English idiom) -- the, this, that, one, he, she, it, etc.
θεον noun - accusative singular masculine
theos  theh'-os: a deity; figuratively, a magistrate; by Hebraism, very -- exceeding, God, god(-ly, -ward).
αγαπωμεν verb - present active indicative - first person
agapao  ag-ap-ah'-o:  to love (in a social or moral sense) -- (be-)love(-ed).
και conjunction
kai  kahee: and, also, even, so then, too, etc.; often used in connection (or composition) with other particles or small words
τας definite article - accusative plural feminine
ho  ho: the definite article; the (sometimes to be supplied, at others omitted, in English idiom) -- the, this, that, one, he, she, it, etc.
εντολας noun - accusative plural feminine
entole  en-tol-ay': injunction, i.e. an authoritative prescription -- commandment, precept.
αυτου personal pronoun - genitive singular masculine
autos  ow-tos': the reflexive pronoun self, used of the third person , and (with the proper personal pronoun) of the other persons
τηρωμεν verb - present active subjunctive - first person
tereo  tay-reh'-o: by implication, to detain (in custody; figuratively, to maintain); by extension, to withhold -- hold fast, keep(-er), (pre-, re-)serve, watch.